<template>
 
  <!-- 商品分类导航 -->
  <div class="type-nav">

    <div class="container">
      <div class="nav-left" @mouseenter="isShowNav = true" @mouseleave="handlerIsShowNav">
        <h2 class="all">全部商品分类</h2>
        <Transition enter-active-class="animate__fadeIn" leave-active-class="animate__fadeOut" >
        <div  class="sort animate__animated" v-show="isShowNav">
          <div @click="toSearch" class="all-sort-list2">
            <!-- 一级分类 -->
            <div  class="item" v-for="c1 in categoryList" :key="c1.categoryId">
              <h3>
                <a :data-id="c1.categoryId" data-level="1">{{ c1.categoryName }}</a>
              </h3>
              <div class="item-list clearfix">
          <!-- 二级分类 -->
                <div class="subitem" v-for="c2 in c1.categoryChild " :key="c2.categoryId">
                  <dl class="fore">
                    <dt>
                      <a :data-id="c2.categoryId" data-level="2">{{c2.categoryName}}</a>
                    </dt>
                    <dd  >
                      <!-- 三级分类 -->
                      <em v-for="c3 in c2.categoryChild" :key="c3.categoryId">
                        <a :data-id="c3.categoryId" data-level="3">{{ c3.categoryName }}</a>
                      </em> 
                  
                    </dd>
                  </dl>
                </div>
          <!-- 二级分类 -->

              </div>
              
            </div>
            <!-- 一级分类 -->
          </div>
        </div>
      </Transition>
      </div>
   
      <nav class="nav">
        <a href="###">服装城</a>
        <a href="###">美妆馆</a>
        <a href="###">尚品汇超市</a>
        <a href="###">全球购</a>
        <a href="###">闪购</a>
        <a href="###">团购</a>
        <a href="###">有趣</a>
        <a href="###">秒杀</a>
      </nav>
    </div>
  </div>
  
</template>

<script>
import { mapState,mapActions } from 'vuex';
export default {
  name: "Typenav",
 data(){
    return {
      isShowNav:this.$route.path==="/"
    }
 },
  computed:{
   ...mapState("home",["categoryList"]),
 
  },
  methods:{
    ...mapActions("home",["GetCategoryList"]),
    toSearch(e){
      
      // 获取id和分类级别
      let{id,level}=e.target.dataset;
      console.log(id);
      // 获取分类名
      let categoryName=e.target.innerText;
      // 获取地址栏的query中的keyword参数
      let {keyword}=this.$route.query
      if(level){
        this.$router.push({
        path:"/search",
        query:{
          [`category${level}Id`]:id,
          categoryName,
          keyword

        }
       
      })
      // 隐藏分类列表
      this.isShowNav=false
      }
     
    },
       //鼠标移除切换 typenav
       handlerIsShowNav(){
      this.$route.path !== "/" ? this.isShowNav = false : null;
    }

  },
  mounted(){
    this.GetCategoryList()
    
  }

};
</script>

<style lang="less" scoped>
.type-nav {
  border-bottom: 2px solid #e1251b;

  .container {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    position: relative;

    .all {
      width: 210px;
      height: 45px;
      background-color: #e1251b;
      line-height: 45px;
      text-align: center;
      color: #fff;
      font-size: 14px;
      font-weight: bold;
    }

    .nav {
      a {
        height: 45px;
        margin: 0 22px;
        line-height: 45px;
        font-size: 16px;
        color: #333;
      }
    }

    .sort {
      position: absolute;
      left: 0;
      top: 45px;
      width: 210px;
      height: 461px;
      position: absolute;
      background: #fafafa;
      z-index: 999;
      animation-duration: .5s;

      .all-sort-list2 {
        .item {
          h3 {
            line-height: 30px;
            font-size: 14px;
            font-weight: 400;
            overflow: hidden;
            padding: 0 20px;
            margin: 0;
            &:hover{
              background: #e1251b;
              a{
               color: white; 
               
              }
            }
            a {
              color: #333;
            }
          }

          .item-list {
            display: none;
            position: absolute;
            width: 734px;
            min-height: 460px;
            background: #f7f7f7;
            left: 210px;
            border: 1px solid #ddd;
            top: 0;
            z-index: 9999 !important;

            .subitem {
              float: left;
              width: 650px;
              padding: 0 4px 0 8px;

              dl {
                border-top: 1px solid #eee;
                padding: 6px 0;
                overflow: hidden;
                zoom: 1;

                &.fore {
                  border-top: 0;
                }

                dt {
                  float: left;
                  width: 54px;
                  line-height: 22px;
                  text-align: right;
                  padding: 3px 6px 0 0;
                  font-weight: 700;
                }
                a:hover{
                    color: #e1251b;
                  }
                dd {
                  float: left;
                  width: 555px;
                  padding: 3px 0 0;
                  overflow: hidden;

                  em {
                    float: left;
                    height: 14px;
                    line-height: 14px;
                    padding: 0 8px;
                    margin-top: 5px;
                    border-left: 1px solid #ccc;
                 
                  }
                }
              }
            }
          }

          &:hover {
            .item-list {
              display: block;
            }
          }
        }
      }
    }
  }
}
</style>